Consolidated Condensed Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 01, 2023	Apr. 02, 2022
Income Statement [Abstract]
Net revenues	$ 88,864	$ 87,665
Costs of products sold	51,665	52,415
Gross profit	37,199	35,250
Selling, general, and administrative expenses	27,159	26,674
Restructuring costs	116	261
Operating income	9,924	8,315
Other income (expense):
Interest expense	(997)	(329)
Other	275	439
Other income (expense)	(722)	110
Income before taxes	9,202	8,425
Income tax expense	2,220	1,741
Net earnings	6,982	6,684
Less: net earnings attributable to noncontrolling interests	18	328
Net earnings attributable to VPG stockholders	$ 6,964	$ 6,356
Basic earnings per share attributable to VPG stockholders (dollars per share)	$ 0.51	$ 0.47
Diluted earnings per share attributable to VPG stockholders (dollars per share)	$ 0.51	$ 0.46
Weighted average shares outstanding - basic (in shares)	13,586	13,637
Weighted average shares outstanding - diluted (in shares)	13,652	13,675